Directions: From J1 of the M3: Continue on the A316 towards central London. At the 3rd junction (Apex Corner roundabout) take the 4th exit (heading south) on the A312 (Uxbridge Rd) to Hampton. Pass Sainsburys on the right then turn left at the mini roundabout onto A313 (Park Rd). Straight over traffic lights onto Hampton Rd. After 1km pass Teddington Memorial Hospital on right and at next traffic lights turn right onto B358 Queens Rd. The entrance to NPL is approximately 0.3km on the right opposite Park Lane. After entering go straight across at first roundabout then take the first exit at second roundabout. Follow road to playing fields. If parking around the sports pitches is full there are further parking spaces in the Clapperstile car park. On entering NPL take a right at the second mini-roundabout. Please do not park on the kerb of the access road leading up to the sports fields. At the request of the laboratory no dogs are allowed within the grounds of the NPL Sports Club except guide dogs.